1284029 has 4 divisors (see below), whose sum is σ = 1290876. Its totient is φ = 1277184.

The previous prime is 1284007. The next prime is 1284037. The reversal of 1284029 is 9204821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 1144900 = 373^2 + 1070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1284029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1283989 and 1284007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (322719).

2^1284029 is an apocalyptic number.

It is an amenable number.

1284029 is a deficient number, since it is larger than the sum of its proper divisors (6847).

1284029 is an equidigital number, since it uses as much as digits as its factorization.

1284029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1284029 is about 1133.1500341967. The cubic root of 1284029 is about 108.6905060590.

Subtracting from 1284029 its sum of digits (26), we obtain a triangular number (1284003 = T₁₆₀₂).

The spelling of 1284029 in words is "one million, two hundred eighty-four thousand, twenty-nine".